Ex-Tishomingo teacher gets 6 years in prison for lewd acts with teen boy

Mug shot of Shelley Duncan from her 2016 arrest (KXII).
Mug shot of Shelley Duncan from her 2016 arrest (KXII).(KXII)
Published: Dec. 5, 2018 at 3:38 PM CST
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A former Tishomingo Public Schools teacher and cheer coach convicted of having a sexual relationship with a 14-year-old boy was sentenced to six years in prison Wednesday in Johnston County District Court.

A Cleveland County jury recommended that sentence for Shelley Jo Duncan, 50, after finding her guilty of lewd acts with a child in October. A Johnston County judge followed that recommended sentence Wednesday.

Her trial was moved to Norman when she was granted a change of venue. The state's first case against her ended in a mistrial when jurors could not agree on a verdict.

During her retrial prosecutors showed more than seven thousand text messages between Duncan and the victim.

Duncan texted things like, "I love you," and called the boy "boo."

The victim told the jury the two kissed, one time after school hours in a school building where clothing was removed.

Prosecutors also told jurors Duncan referenced performing a sex act on the child while using a cough drop on Snapchat.

Duncan's attorney argued that the texts exchanged were not lewd and told the judge during trial state investigators were acting inappropriately because they provided public information to News 12 about Duncan's husband, former Superintendent Kevin Duncan, who is under investigation for allegedly embezzling district funds.

But the judge said that was irrelevant and after two hours of deliberations, the jury sided with the state.

Duncan is no longer a licensed teacher in Oklahoma.

We're told her husband remains under OSBI investigation.

She will receive jail credit for time served since her conviction in October.

We have a reporter in the courtroom and will have more on News 12 tonight.